$378 Cheap Flights from St. George (SGU) to Twin Falls (TWF)

View $378 flight on Fri, Nov 7, 2025Opens in a new window

Popular airlines from St. George Regional Airport (SGU) to Twin Falls, ID (TWF)

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Cheap Flights from St. George to Twin Falls (SGU-TWF)

Prices were available within the past 7 days and start at $378 for one-way flights and $286 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Dec 9 - Tue, Dec 16
SGU
St. George
TWF
Twin Falls
$286 Roundtrip, found 2 days ago
$286
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Dec 9 from St. George to Twin Falls, returning Tue, Dec 16, priced at $286 found 2 days ago
Delta
Tue, Dec 9 - Sat, Dec 13
SGU
St. George
TWF
Twin Falls
$296 Roundtrip, found 2 days ago
$296
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Dec 9 from St. George to Twin Falls, returning Sat, Dec 13, priced at $296 found 2 days ago
Delta
Thu, Dec 4 - Sat, Dec 13
SGU
St. George
TWF
Twin Falls
$306 Roundtrip, found 2 days ago
$306
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Dec 4 from St. George to Twin Falls, returning Sat, Dec 13, priced at $306 found 2 days ago
Delta
Thu, Nov 20 - Mon, Dec 8
SGU
St. George
TWF
Twin Falls
$316 Roundtrip, found 2 days ago
$316
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Nov 20 from St. George to Twin Falls, returning Mon, Dec 8, priced at $316 found 2 days ago
Delta
Sun, Nov 23 - Tue, Dec 9
SGU
St. George
TWF
Twin Falls
$336 Roundtrip, found 2 days ago
$336
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Nov 23 from St. George to Twin Falls, returning Tue, Dec 9, priced at $336 found 2 days ago
Delta
Sun, Nov 23 - Mon, Dec 8
SGU
St. George
TWF
Twin Falls
$346 Roundtrip, found 2 days ago
$346
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Nov 23 from St. George to Twin Falls, returning Mon, Dec 8, priced at $346 found 2 days ago
Delta
Thu, Nov 20 - Thu, Dec 11
SGU
St. George
TWF
Twin Falls
$356 Roundtrip, found 2 days ago
$356
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Nov 20 from St. George to Twin Falls, returning Thu, Dec 11, priced at $356 found 2 days ago
Delta
Mon, Dec 1 - Tue, Dec 16
SGU
St. George
TWF
Twin Falls
$372 Roundtrip, found 6 days ago
$372
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Dec 1 from St. George to Twin Falls, returning Tue, Dec 16, priced at $372 found 6 days ago
Delta
Wed, Nov 26 - Tue, Dec 9
SGU
St. George
TWF
Twin Falls
$382 Roundtrip, found 2 days ago
$382
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Nov 26 from St. George to Twin Falls, returning Tue, Dec 9, priced at $382 found 2 days ago
Delta
Sun, Nov 23 - Thu, Dec 11
SGU
St. George
TWF
Twin Falls
$386 Roundtrip, found 2 days ago
$386
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Nov 23 from St. George to Twin Falls, returning Thu, Dec 11, priced at $386 found 2 days ago

Alternative airports near Twin Falls

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Twin Falls, ID TWF. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $511
TWF
Twin Falls, ID
CheapestClosest
Average driving time to city center11 min
Flights from $511

Frequently asked questions

How much does a flight from St. George Airport (SGU) to Twin Falls Airport (TWF) cost?
Secure a cheap one-way flight from $378 or cheap return flight from $286 from St. George Airport (SGU) to Twin Falls Airport (TWF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from St. George Airport (SGU) to Twin Falls Airport (TWF)?
Flying in December may help you find better deals, as it's the cheapest month for flights between SGU and TWF. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from St. George Airport (SGU) to Twin Falls Airport (TWF)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SGU to TWF flight.
How many flights per day from St. George Airport (SGU) to Twin Falls Airport (TWF)?
There are no daily nonstop flights available from St. George Airport (SGU) to Twin Falls Airport (TWF). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from SGU to TWF?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary based on a range of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from St. George Airport (SGU) to Twin Falls Airport (TWF)?
To arrive at Twin Falls Airport (TWF) without delays, book a flight that leaves from St. George Airport (SGU) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from St. George Airport (SGU) to Twin Falls Airport (TWF) last-minute?
Waiting until right before your break to book a flight from SGU to TWF generally means paying more. While you might find some last-minute deals, they're not always guaranteed. Be flexible with your travel plans to boost your chances of snagging a bargain.
Is it cheaper to book a SGU to TWF flight and hotel package?
Booking a SGU to TWF flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our wide range of stays and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from St. George Airport (SGU) to Twin Falls Airport (TWF)?
Typically, it's possible to reschedule or cancel your SGU to TWF flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
St. George
Destination airport
Twin Falls
Roundtrip price
$286
Distance
380 mi

Book with confidence

St. George to Twin Falls Flights

The cheapest times to fly from St. George to Twin Falls

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. George to Twin Falls are during the month of December. You can find some of the cheapest flights from St. George to Twin Falls with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. George to Twin Falls

Sunday is one of the best days to book for cheap flights from St. George to Twin Falls: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. George to Twin Falls

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. George to Twin Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from $378 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. George to Twin Falls flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. George to Twin Falls airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. George to Twin Falls Flights

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*Available to One Key members.